succeeded bazel build //:protoc //src/google/protobuf:protobuf
Scroll to zoom at the cursor, drag to pan, shift+drag (or drag in the axis) to zoom to a range, drag the overview to move. Click an event for its details and action breakdown, double-click to zoom to it, click a thread name to collapse it. Keys: +/- zoom, ←/→ pan, 0 reset, / search, c critical path, Esc clear.
Phases
- Launch Blaze 7ms
- Initialize command 86ms
- Evaluate target patterns 4ms
- Load, analyze dependencies and build artifacts 84ms
- Complete build 0ms
302 events on 4 threads · wall 181ms · critical path 2ms
Action time by phase
- outputs 1× 1ms
Summed across threads: cache checks, input uploads, queueing, remote and local execution, output downloads.
Time by category
| general information | 294× | 638ms |
| skyframe evaluator | 1× | 35ms |
| build phase marker | 1× | 7ms |
| bazel module processing | 3× | 7ms |
| critical path component | 1× | 2ms |
| action processing | 1× | 2ms |
| complete action execution | 1× | 1ms |
Action time by mnemonic
| BazelWorkspaceStatusAction | 1× | 2ms |
Critical path
- action 'BazelWorkspaceStatusAction stable-status.txt' 2ms
Longest events
| buildTargets | general information | Main Thread | 89ms |
| runAnalysisAndExecutionPhase | general information | Main Thread | 83ms |
| handleDiffs | general information | Main Thread | 68ms |
| handleDiffsWithMissingDiffInformation | general information | Main Thread | 66ms |
| fsvc.getDirtyKeys | general information | Main Thread | 66ms |
| getAndVerifyServerCapabilities | general information | remote-executor-5 | 56ms |
| prepareForExecution | general information | Main Thread | 45ms |
| detectModifiedOutputFiles | general information | Main Thread | 39ms |
| skyframeExecutor.evaluateBuildDriverKeys | general information | Main Thread | 35ms |
| ParallelEvaluator.eval | general information | Main Thread | 35ms |
| Parallel Evaluator evaluation | skyframe evaluator | Main Thread | 35ms |
| getDirtyActionValues/statFiles | general information | Main Thread | 34ms |
| Launch Blaze | build phase marker | Main Thread | 7ms |
| reparse options with main repo mapping | bazel module processing | Main Thread | 6ms |
| getDirtyActionValues/filterAndBatchActions | general information | Main Thread | 4ms |
Timeline from build events (tests and reported actions)
Phases from Bazel's timing metrics, tests from their attempt timings, actions as reported (all actions with --build_event_publish_all_actions).
The full per-action profile timeline arrives once the build's
command.profile.gz
can be fetched.